MessageAdapter.java

   1package eu.siacs.conversations.ui.adapter;
   2
   3import android.Manifest;
   4import android.app.Activity;
   5import android.content.Intent;
   6import android.content.SharedPreferences;
   7import android.content.pm.PackageManager;
   8import android.graphics.PorterDuff;
   9import android.graphics.drawable.Drawable;
  10import android.graphics.Typeface;
  11import android.net.Uri;
  12import android.os.AsyncTask;
  13import android.preference.PreferenceManager;
  14import android.text.Spannable;
  15import android.text.SpannableString;
  16import android.text.SpannableStringBuilder;
  17import android.text.format.DateUtils;
  18import android.text.style.ForegroundColorSpan;
  19import android.text.style.RelativeSizeSpan;
  20import android.text.style.StyleSpan;
  21import android.text.style.URLSpan;
  22import android.util.DisplayMetrics;
  23import android.view.View;
  24import android.view.ViewGroup;
  25import android.view.WindowManager;
  26import android.widget.ArrayAdapter;
  27import android.widget.Button;
  28import android.widget.ImageView;
  29import android.widget.LinearLayout;
  30import android.widget.ListView;
  31import android.widget.RelativeLayout;
  32import android.widget.TextView;
  33import android.widget.Toast;
  34
  35import androidx.core.app.ActivityCompat;
  36import androidx.core.content.ContextCompat;
  37import androidx.core.content.res.ResourcesCompat;
  38
  39import com.google.common.base.Strings;
  40
  41import java.io.IOException;
  42import java.net.URI;
  43import java.util.List;
  44import java.util.Locale;
  45import java.util.regex.Matcher;
  46import java.util.regex.Pattern;
  47
  48import io.ipfs.cid.Cid;
  49
  50import eu.siacs.conversations.Config;
  51import eu.siacs.conversations.R;
  52import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  53import eu.siacs.conversations.entities.Account;
  54import eu.siacs.conversations.entities.Contact;
  55import eu.siacs.conversations.entities.Conversation;
  56import eu.siacs.conversations.entities.Conversational;
  57import eu.siacs.conversations.entities.DownloadableFile;
  58import eu.siacs.conversations.entities.Message.FileParams;
  59import eu.siacs.conversations.entities.Message;
  60import eu.siacs.conversations.entities.Roster;
  61import eu.siacs.conversations.entities.RtpSessionStatus;
  62import eu.siacs.conversations.entities.Transferable;
  63import eu.siacs.conversations.persistance.FileBackend;
  64import eu.siacs.conversations.services.MessageArchiveService;
  65import eu.siacs.conversations.services.NotificationService;
  66import eu.siacs.conversations.ui.ConversationFragment;
  67import eu.siacs.conversations.ui.ConversationsActivity;
  68import eu.siacs.conversations.ui.XmppActivity;
  69import eu.siacs.conversations.ui.service.AudioPlayer;
  70import eu.siacs.conversations.ui.text.DividerSpan;
  71import eu.siacs.conversations.ui.text.QuoteSpan;
  72import eu.siacs.conversations.ui.util.AvatarWorkerTask;
  73import eu.siacs.conversations.ui.util.MyLinkify;
  74import eu.siacs.conversations.ui.util.QuoteHelper;
  75import eu.siacs.conversations.ui.util.StyledAttributes;
  76import eu.siacs.conversations.ui.util.ViewUtil;
  77import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
  78import eu.siacs.conversations.utils.CryptoHelper;
  79import eu.siacs.conversations.utils.Emoticons;
  80import eu.siacs.conversations.utils.GeoHelper;
  81import eu.siacs.conversations.utils.MessageUtils;
  82import eu.siacs.conversations.utils.StylingHelper;
  83import eu.siacs.conversations.utils.TimeFrameUtils;
  84import eu.siacs.conversations.utils.UIHelper;
  85import eu.siacs.conversations.xmpp.Jid;
  86import eu.siacs.conversations.xmpp.mam.MamReference;
  87import eu.siacs.conversations.xml.Element;
  88
  89public class MessageAdapter extends ArrayAdapter<Message> {
  90
  91    public static final String DATE_SEPARATOR_BODY = "DATE_SEPARATOR";
  92    private static final int SENT = 0;
  93    private static final int RECEIVED = 1;
  94    private static final int STATUS = 2;
  95    private static final int DATE_SEPARATOR = 3;
  96    private static final int RTP_SESSION = 4;
  97    private final XmppActivity activity;
  98    private final AudioPlayer audioPlayer;
  99    private List<String> highlightedTerm = null;
 100    private final DisplayMetrics metrics;
 101    private OnContactPictureClicked mOnContactPictureClickedListener;
 102    private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
 103    private boolean mUseGreenBackground = false;
 104    private boolean mForceNames = false;
 105
 106    public MessageAdapter(XmppActivity activity, List<Message> messages) {
 107        super(activity, 0, messages);
 108        this.audioPlayer = new AudioPlayer(this);
 109        this.activity = activity;
 110        metrics = getContext().getResources().getDisplayMetrics();
 111        updatePreferences();
 112    }
 113
 114    public MessageAdapter(XmppActivity activity, List<Message> messages, boolean forceNames) {
 115        this(activity, messages);
 116        mForceNames = forceNames;
 117    }
 118
 119    private static void resetClickListener(View... views) {
 120        for (View view : views) {
 121            if (view != null) view.setOnClickListener(null);
 122        }
 123    }
 124
 125    public void flagScreenOn() {
 126        activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 127    }
 128
 129    public void flagScreenOff() {
 130        activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 131    }
 132
 133    public void setVolumeControl(final int stream) {
 134        activity.setVolumeControlStream(stream);
 135    }
 136
 137    public void setOnContactPictureClicked(OnContactPictureClicked listener) {
 138        this.mOnContactPictureClickedListener = listener;
 139    }
 140
 141    public Activity getActivity() {
 142        return activity;
 143    }
 144
 145    public void setOnContactPictureLongClicked(
 146            OnContactPictureLongClicked listener) {
 147        this.mOnContactPictureLongClickedListener = listener;
 148    }
 149
 150    @Override
 151    public int getViewTypeCount() {
 152        return 5;
 153    }
 154
 155    private int getItemViewType(Message message) {
 156        if (message.getType() == Message.TYPE_STATUS) {
 157            if (DATE_SEPARATOR_BODY.equals(message.getBody())) {
 158                return DATE_SEPARATOR;
 159            } else {
 160                return STATUS;
 161            }
 162        } else if (message.getType() == Message.TYPE_RTP_SESSION) {
 163            return RTP_SESSION;
 164        } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
 165            return RECEIVED;
 166        } else {
 167            return SENT;
 168        }
 169    }
 170
 171    @Override
 172    public int getItemViewType(int position) {
 173        return this.getItemViewType(getItem(position));
 174    }
 175
 176    private int getMessageTextColor(boolean onDark, boolean primary) {
 177        if (onDark) {
 178            return ContextCompat.getColor(activity, primary ? R.color.white : R.color.white70);
 179        } else {
 180            return ContextCompat.getColor(activity, primary ? R.color.black87 : R.color.black54);
 181        }
 182    }
 183
 184    private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
 185        String filesize = null;
 186        String info = null;
 187        boolean error = false;
 188        if (viewHolder.indicatorReceived != null) {
 189            viewHolder.indicatorReceived.setVisibility(View.GONE);
 190        }
 191
 192        if (viewHolder.edit_indicator != null) {
 193            if (message.edited()) {
 194                viewHolder.edit_indicator.setVisibility(View.VISIBLE);
 195                viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
 196                viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
 197            } else {
 198                viewHolder.edit_indicator.setVisibility(View.GONE);
 199            }
 200        }
 201        final Transferable transferable = message.getTransferable();
 202        boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
 203                && message.getMergedStatus() <= Message.STATUS_RECEIVED;
 204        if (message.isFileOrImage() || transferable != null || MessageUtils.unInitiatedButKnownSize(message)) {
 205            FileParams params = message.getFileParams();
 206            filesize = params.size != null ? UIHelper.filesizeToString(params.size) : null;
 207            if (transferable != null && (transferable.getStatus() == Transferable.STATUS_FAILED || transferable.getStatus() == Transferable.STATUS_CANCELLED)) {
 208                error = true;
 209            }
 210        }
 211        switch (message.getMergedStatus()) {
 212            case Message.STATUS_WAITING:
 213                info = getContext().getString(R.string.waiting);
 214                break;
 215            case Message.STATUS_UNSEND:
 216                if (transferable != null) {
 217                    info = getContext().getString(R.string.sending_file, transferable.getProgress());
 218                } else {
 219                    info = getContext().getString(R.string.sending);
 220                }
 221                break;
 222            case Message.STATUS_OFFERED:
 223                info = getContext().getString(R.string.offering);
 224                break;
 225            case Message.STATUS_SEND_RECEIVED:
 226            case Message.STATUS_SEND_DISPLAYED:
 227                viewHolder.indicatorReceived.setImageResource(darkBackground ? R.drawable.ic_done_white_18dp : R.drawable.ic_done_black_18dp);
 228                viewHolder.indicatorReceived.setAlpha(darkBackground ? 0.7f : 0.57f);
 229                viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
 230                break;
 231            case Message.STATUS_SEND_FAILED:
 232                final String errorMessage = message.getErrorMessage();
 233                if (Message.ERROR_MESSAGE_CANCELLED.equals(errorMessage)) {
 234                    info = getContext().getString(R.string.cancelled);
 235                } else if (errorMessage != null) {
 236                    final String[] errorParts = errorMessage.split("\\u001f", 2);
 237                    if (errorParts.length == 2) {
 238                        switch (errorParts[0]) {
 239                            case "file-too-large":
 240                                info = getContext().getString(R.string.file_too_large);
 241                                break;
 242                            default:
 243                                info = getContext().getString(R.string.send_failed);
 244                                break;
 245                        }
 246                    } else {
 247                        info = getContext().getString(R.string.send_failed);
 248                    }
 249                } else {
 250                    info = getContext().getString(R.string.send_failed);
 251                }
 252                error = true;
 253                break;
 254            default:
 255                if (mForceNames || multiReceived) {
 256                    info = UIHelper.getMessageDisplayName(message);
 257                }
 258                break;
 259        }
 260        if (error && type == SENT) {
 261            if (darkBackground) {
 262                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning_OnDark);
 263            } else {
 264                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning);
 265            }
 266        } else {
 267            if (darkBackground) {
 268                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_OnDark);
 269            } else {
 270                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption);
 271            }
 272            viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground, false));
 273        }
 274        if (message.getEncryption() == Message.ENCRYPTION_NONE) {
 275            viewHolder.indicator.setVisibility(View.GONE);
 276        } else {
 277            boolean verified = false;
 278            if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
 279                final FingerprintStatus status = message.getConversation()
 280                        .getAccount().getAxolotlService().getFingerprintTrust(
 281                                message.getFingerprint());
 282                if (status != null && status.isVerified()) {
 283                    verified = true;
 284                }
 285            }
 286            if (verified) {
 287                viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
 288            } else {
 289                viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
 290            }
 291            if (darkBackground) {
 292                viewHolder.indicator.setAlpha(0.7f);
 293            } else {
 294                viewHolder.indicator.setAlpha(0.57f);
 295            }
 296            viewHolder.indicator.setVisibility(View.VISIBLE);
 297        }
 298
 299        final String formattedTime = UIHelper.readableTimeDifferenceFull(getContext(), message.getMergedTimeSent());
 300        final String bodyLanguage = message.getBodyLanguage();
 301        final String bodyLanguageInfo = bodyLanguage == null ? "" : String.format(" \u00B7 %s", bodyLanguage.toUpperCase(Locale.US));
 302        if (message.getStatus() <= Message.STATUS_RECEIVED) {
 303            if ((filesize != null) && (info != null)) {
 304                viewHolder.time.setText(formattedTime + " \u00B7 " + filesize + " \u00B7 " + info + bodyLanguageInfo);
 305            } else if ((filesize == null) && (info != null)) {
 306                viewHolder.time.setText(formattedTime + " \u00B7 " + info + bodyLanguageInfo);
 307            } else if ((filesize != null) && (info == null)) {
 308                viewHolder.time.setText(formattedTime + " \u00B7 " + filesize + bodyLanguageInfo);
 309            } else {
 310                viewHolder.time.setText(formattedTime + bodyLanguageInfo);
 311            }
 312        } else {
 313            if ((filesize != null) && (info != null)) {
 314                viewHolder.time.setText(filesize + " \u00B7 " + info + bodyLanguageInfo);
 315            } else if ((filesize == null) && (info != null)) {
 316                if (error) {
 317                    viewHolder.time.setText(info + " \u00B7 " + formattedTime + bodyLanguageInfo);
 318                } else {
 319                    viewHolder.time.setText(info);
 320                }
 321            } else if ((filesize != null) && (info == null)) {
 322                viewHolder.time.setText(filesize + " \u00B7 " + formattedTime + bodyLanguageInfo);
 323            } else {
 324                viewHolder.time.setText(formattedTime + bodyLanguageInfo);
 325            }
 326        }
 327    }
 328
 329    private void displayInfoMessage(ViewHolder viewHolder, CharSequence text, boolean darkBackground) {
 330        viewHolder.download_button.setVisibility(View.GONE);
 331        viewHolder.audioPlayer.setVisibility(View.GONE);
 332        viewHolder.image.setVisibility(View.GONE);
 333        viewHolder.messageBody.setVisibility(View.VISIBLE);
 334        viewHolder.messageBody.setText(text);
 335        if (darkBackground) {
 336            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary_OnDark);
 337        } else {
 338            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary);
 339        }
 340        viewHolder.messageBody.setTextIsSelectable(false);
 341    }
 342
 343    private void displayEmojiMessage(final ViewHolder viewHolder, final String body, final boolean darkBackground) {
 344        viewHolder.download_button.setVisibility(View.GONE);
 345        viewHolder.audioPlayer.setVisibility(View.GONE);
 346        viewHolder.image.setVisibility(View.GONE);
 347        viewHolder.messageBody.setVisibility(View.VISIBLE);
 348        if (darkBackground) {
 349            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji_OnDark);
 350        } else {
 351            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji);
 352        }
 353        Spannable span = new SpannableString(body);
 354        float size = Emoticons.isEmoji(body) ? 3.0f : 2.0f;
 355        span.setSpan(new RelativeSizeSpan(size), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 356        viewHolder.messageBody.setText(span);
 357    }
 358
 359    private void applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
 360        if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
 361            body.insert(start++, "\n");
 362            body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 363            end++;
 364        }
 365        if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
 366            body.insert(end, "\n");
 367            body.setSpan(new DividerSpan(false), end, end + 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 368        }
 369        int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
 370                : ContextCompat.getColor(activity, R.color.green700_desaturated);
 371        DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
 372        body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 373    }
 374
 375    /**
 376     * Applies QuoteSpan to group of lines which starts with > or » characters.
 377     * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
 378     */
 379    private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
 380        boolean startsWithQuote = false;
 381        int quoteDepth = 1;
 382        while (QuoteHelper.bodyContainsQuoteStart(body) && quoteDepth <= Config.QUOTE_MAX_DEPTH) {
 383            char previous = '\n';
 384            int lineStart = -1;
 385            int lineTextStart = -1;
 386            int quoteStart = -1;
 387            for (int i = 0; i <= body.length(); i++) {
 388                char current = body.length() > i ? body.charAt(i) : '\n';
 389                if (lineStart == -1) {
 390                    if (previous == '\n') {
 391                        if (i < body.length() && QuoteHelper.isPositionQuoteStart(body, i)) {
 392                            // Line start with quote
 393                            lineStart = i;
 394                            if (quoteStart == -1) quoteStart = i;
 395                            if (i == 0) startsWithQuote = true;
 396                        } else if (quoteStart >= 0) {
 397                            // Line start without quote, apply spans there
 398                            applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
 399                            quoteStart = -1;
 400                        }
 401                    }
 402                } else {
 403                    // Remove extra spaces between > and first character in the line
 404                    // > character will be removed too
 405                    if (current != ' ' && lineTextStart == -1) {
 406                        lineTextStart = i;
 407                    }
 408                    if (current == '\n') {
 409                        body.delete(lineStart, lineTextStart);
 410                        i -= lineTextStart - lineStart;
 411                        if (i == lineStart) {
 412                            // Avoid empty lines because span over empty line can be hidden
 413                            body.insert(i++, " ");
 414                        }
 415                        lineStart = -1;
 416                        lineTextStart = -1;
 417                    }
 418                }
 419                previous = current;
 420            }
 421            if (quoteStart >= 0) {
 422                // Apply spans to finishing open quote
 423                applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
 424            }
 425            quoteDepth++;
 426        }
 427        return startsWithQuote;
 428    }
 429
 430    private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
 431        viewHolder.download_button.setVisibility(View.GONE);
 432        viewHolder.image.setVisibility(View.GONE);
 433        viewHolder.audioPlayer.setVisibility(View.GONE);
 434        viewHolder.messageBody.setVisibility(View.GONE);
 435
 436        if (darkBackground) {
 437            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_OnDark);
 438        } else {
 439            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1);
 440        }
 441        viewHolder.messageBody.setHighlightColor(ContextCompat.getColor(activity, darkBackground
 442                ? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
 443        viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
 444
 445        if (message.getBody() != null && !message.getBody().equals("")) {
 446            viewHolder.messageBody.setVisibility(View.VISIBLE);
 447            final String nick = UIHelper.getMessageDisplayName(message);
 448            Drawable fallbackImg = ResourcesCompat.getDrawable(activity.getResources(), activity.getThemeResource(R.attr.ic_attach_photo, R.drawable.ic_attach_photo), null);
 449            fallbackImg.setBounds(FileBackend.rectForSize(fallbackImg.getIntrinsicWidth(), fallbackImg.getIntrinsicHeight(), (int) (metrics.density * 32)));
 450            SpannableStringBuilder body = message.getMergedBody((cid) -> {
 451                try {
 452                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
 453                    if (f == null) return null;
 454
 455                    Drawable d = activity.xmppConnectionService.getFileBackend().getThumbnail(f, activity.getResources(), (int) (metrics.density * 288), true);
 456                    if (d == null) {
 457                        new ThumbnailTask().execute(f);
 458                    } else {
 459                        d = d.getConstantState().newDrawable();
 460                        d.setBounds(FileBackend.rectForSize(d.getIntrinsicWidth(), d.getIntrinsicHeight(), (int) (metrics.density * 32)));
 461                    }
 462                    return d;
 463                } catch (final IOException e) {
 464                    return fallbackImg;
 465                }
 466            }, fallbackImg);
 467            boolean hasMeCommand = message.hasMeCommand();
 468            if (hasMeCommand) {
 469                body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
 470            }
 471            if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
 472                body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
 473                body.append("\u2026");
 474            }
 475            Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
 476            for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
 477                int start = body.getSpanStart(mergeSeparator);
 478                int end = body.getSpanEnd(mergeSeparator);
 479                body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 480            }
 481            boolean startsWithQuote = handleTextQuotes(body, darkBackground);
 482            if (!message.isPrivateMessage()) {
 483                if (hasMeCommand) {
 484                    body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
 485                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 486                }
 487            } else {
 488                String privateMarker;
 489                if (message.getStatus() <= Message.STATUS_RECEIVED) {
 490                    privateMarker = activity.getString(R.string.private_message);
 491                } else {
 492                    Jid cp = message.getCounterpart();
 493                    privateMarker = activity.getString(R.string.private_message_to, Strings.nullToEmpty(cp == null ? null : cp.getResource()));
 494                }
 495                body.insert(0, privateMarker);
 496                int privateMarkerIndex = privateMarker.length();
 497                if (startsWithQuote) {
 498                    body.insert(privateMarkerIndex, "\n\n");
 499                    body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
 500                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 501                } else {
 502                    body.insert(privateMarkerIndex, " ");
 503                }
 504                body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 505                body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 506                if (hasMeCommand) {
 507                    body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
 508                            privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 509                }
 510            }
 511            if (message.getConversation().getMode() == Conversation.MODE_MULTI && message.getStatus() == Message.STATUS_RECEIVED) {
 512                if (message.getConversation() instanceof Conversation) {
 513                    final Conversation conversation = (Conversation) message.getConversation();
 514                    Pattern pattern = NotificationService.generateNickHighlightPattern(conversation.getMucOptions().getActualNick());
 515                    Matcher matcher = pattern.matcher(body);
 516                    while (matcher.find()) {
 517                        body.setSpan(new StyleSpan(Typeface.BOLD), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 518                    }
 519                }
 520            }
 521            Matcher matcher = Emoticons.getEmojiPattern(body).matcher(body);
 522            while (matcher.find()) {
 523                if (matcher.start() < matcher.end()) {
 524                    body.setSpan(new RelativeSizeSpan(1.2f), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 525                }
 526            }
 527
 528            StylingHelper.format(body, viewHolder.messageBody.getCurrentTextColor());
 529            if (highlightedTerm != null) {
 530                StylingHelper.highlight(activity, body, highlightedTerm, StylingHelper.isDarkText(viewHolder.messageBody));
 531            }
 532            MyLinkify.addLinks(body, message.getConversation().getAccount());
 533            viewHolder.messageBody.setAutoLinkMask(0);
 534            viewHolder.messageBody.setText(body);
 535            viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
 536        } else {
 537            viewHolder.messageBody.setText("");
 538            viewHolder.messageBody.setTextIsSelectable(false);
 539        }
 540    }
 541
 542    private void displayDownloadableMessage(ViewHolder viewHolder, final Message message, String text, final boolean darkBackground, final int type) {
 543        displayTextMessage(viewHolder, message, darkBackground, type);
 544        viewHolder.image.setVisibility(View.GONE);
 545        viewHolder.audioPlayer.setVisibility(View.GONE);
 546        viewHolder.download_button.setVisibility(View.VISIBLE);
 547        viewHolder.download_button.setText(text);
 548        viewHolder.download_button.setOnClickListener(v -> ConversationFragment.downloadFile(activity, message));
 549    }
 550
 551    private void displayOpenableMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground, final int type) {
 552        displayTextMessage(viewHolder, message, darkBackground, type);
 553        viewHolder.image.setVisibility(View.GONE);
 554        viewHolder.audioPlayer.setVisibility(View.GONE);
 555        viewHolder.download_button.setVisibility(View.VISIBLE);
 556        viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
 557        viewHolder.download_button.setOnClickListener(v -> openDownloadable(message));
 558    }
 559
 560    private void displayLocationMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground, final int type) {
 561        displayTextMessage(viewHolder, message, darkBackground, type);
 562        viewHolder.image.setVisibility(View.GONE);
 563        viewHolder.audioPlayer.setVisibility(View.GONE);
 564        viewHolder.download_button.setVisibility(View.VISIBLE);
 565        viewHolder.download_button.setText(R.string.show_location);
 566        viewHolder.download_button.setOnClickListener(v -> showLocation(message));
 567    }
 568
 569    private void displayAudioMessage(ViewHolder viewHolder, Message message, boolean darkBackground, final int type) {
 570        displayTextMessage(viewHolder, message, darkBackground, type);
 571        viewHolder.image.setVisibility(View.GONE);
 572        viewHolder.download_button.setVisibility(View.GONE);
 573        final RelativeLayout audioPlayer = viewHolder.audioPlayer;
 574        audioPlayer.setVisibility(View.VISIBLE);
 575        AudioPlayer.ViewHolder.get(audioPlayer).setDarkBackground(darkBackground);
 576        this.audioPlayer.init(audioPlayer, message);
 577    }
 578
 579    private void displayMediaPreviewMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground, final int type) {
 580        displayTextMessage(viewHolder, message, darkBackground, type);
 581        viewHolder.download_button.setVisibility(View.GONE);
 582        viewHolder.audioPlayer.setVisibility(View.GONE);
 583        viewHolder.image.setVisibility(View.VISIBLE);
 584        final FileParams params = message.getFileParams();
 585        final float target = activity.getResources().getDimension(R.dimen.image_preview_width);
 586        final int scaledW;
 587        final int scaledH;
 588        if (Math.max(params.height, params.width) * metrics.density <= target) {
 589            scaledW = (int) (params.width * metrics.density);
 590            scaledH = (int) (params.height * metrics.density);
 591        } else if (Math.max(params.height, params.width) <= target) {
 592            scaledW = params.width;
 593            scaledH = params.height;
 594        } else if (params.width <= params.height) {
 595            scaledW = (int) (params.width / ((double) params.height / target));
 596            scaledH = (int) target;
 597        } else {
 598            scaledW = (int) target;
 599            scaledH = (int) (params.height / ((double) params.width / target));
 600        }
 601        final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
 602        layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
 603        viewHolder.image.setLayoutParams(layoutParams);
 604        activity.loadBitmap(message, viewHolder.image);
 605        viewHolder.image.setOnClickListener(v -> openDownloadable(message));
 606    }
 607
 608    private void toggleWhisperInfo(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
 609        if (message.isPrivateMessage()) {
 610            final String privateMarker;
 611            if (message.getStatus() <= Message.STATUS_RECEIVED) {
 612                privateMarker = activity.getString(R.string.private_message);
 613            } else {
 614                Jid cp = message.getCounterpart();
 615                privateMarker = activity.getString(R.string.private_message_to, Strings.nullToEmpty(cp == null ? null : cp.getResource()));
 616            }
 617            final SpannableString body = new SpannableString(privateMarker);
 618            body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarker.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 619            body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarker.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 620            viewHolder.messageBody.setText(body);
 621            viewHolder.messageBody.setVisibility(View.VISIBLE);
 622        } else {
 623            viewHolder.messageBody.setVisibility(View.GONE);
 624        }
 625    }
 626
 627    private void loadMoreMessages(Conversation conversation) {
 628        conversation.setLastClearHistory(0, null);
 629        activity.xmppConnectionService.updateConversation(conversation);
 630        conversation.setHasMessagesLeftOnServer(true);
 631        conversation.setFirstMamReference(null);
 632        long timestamp = conversation.getLastMessageTransmitted().getTimestamp();
 633        if (timestamp == 0) {
 634            timestamp = System.currentTimeMillis();
 635        }
 636        conversation.messagesLoaded.set(true);
 637        MessageArchiveService.Query query = activity.xmppConnectionService.getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
 638        if (query != null) {
 639            Toast.makeText(activity, R.string.fetching_history_from_server, Toast.LENGTH_LONG).show();
 640        } else {
 641            Toast.makeText(activity, R.string.not_fetching_history_retention_period, Toast.LENGTH_SHORT).show();
 642        }
 643    }
 644
 645    @Override
 646    public View getView(int position, View view, ViewGroup parent) {
 647        final Message message = getItem(position);
 648        final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
 649        final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
 650        final Conversational conversation = message.getConversation();
 651        final Account account = conversation.getAccount();
 652        final List<Element> commands = message.getCommands();
 653        final int type = getItemViewType(position);
 654        ViewHolder viewHolder;
 655        if (view == null) {
 656            viewHolder = new ViewHolder();
 657            switch (type) {
 658                case DATE_SEPARATOR:
 659                    view = activity.getLayoutInflater().inflate(R.layout.message_date_bubble, parent, false);
 660                    viewHolder.status_message = view.findViewById(R.id.message_body);
 661                    viewHolder.message_box = view.findViewById(R.id.message_box);
 662                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 663                    break;
 664                case RTP_SESSION:
 665                    view = activity.getLayoutInflater().inflate(R.layout.message_rtp_session, parent, false);
 666                    viewHolder.status_message = view.findViewById(R.id.message_body);
 667                    viewHolder.message_box = view.findViewById(R.id.message_box);
 668                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 669                    break;
 670                case SENT:
 671                    view = activity.getLayoutInflater().inflate(R.layout.message_sent, parent, false);
 672                    viewHolder.message_box = view.findViewById(R.id.message_box);
 673                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 674                    viewHolder.download_button = view.findViewById(R.id.download_button);
 675                    viewHolder.indicator = view.findViewById(R.id.security_indicator);
 676                    viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
 677                    viewHolder.image = view.findViewById(R.id.message_image);
 678                    viewHolder.messageBody = view.findViewById(R.id.message_body);
 679                    viewHolder.time = view.findViewById(R.id.message_time);
 680                    viewHolder.subject = view.findViewById(R.id.message_subject);
 681                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 682                    viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
 683                    break;
 684                case RECEIVED:
 685                    view = activity.getLayoutInflater().inflate(R.layout.message_received, parent, false);
 686                    viewHolder.message_box = view.findViewById(R.id.message_box);
 687                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 688                    viewHolder.download_button = view.findViewById(R.id.download_button);
 689                    viewHolder.indicator = view.findViewById(R.id.security_indicator);
 690                    viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
 691                    viewHolder.image = view.findViewById(R.id.message_image);
 692                    viewHolder.messageBody = view.findViewById(R.id.message_body);
 693                    viewHolder.time = view.findViewById(R.id.message_time);
 694                    viewHolder.subject = view.findViewById(R.id.message_subject);
 695                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 696                    viewHolder.encryption = view.findViewById(R.id.message_encryption);
 697                    viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
 698                    viewHolder.commands_list = view.findViewById(R.id.commands_list);
 699                    break;
 700                case STATUS:
 701                    view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
 702                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 703                    viewHolder.status_message = view.findViewById(R.id.status_message);
 704                    viewHolder.load_more_messages = view.findViewById(R.id.load_more_messages);
 705                    break;
 706                default:
 707                    throw new AssertionError("Unknown view type");
 708            }
 709            view.setTag(viewHolder);
 710        } else {
 711            viewHolder = (ViewHolder) view.getTag();
 712            if (viewHolder == null) {
 713                return view;
 714            }
 715        }
 716
 717        boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
 718
 719        if (type == DATE_SEPARATOR) {
 720            if (UIHelper.today(message.getTimeSent())) {
 721                viewHolder.status_message.setText(R.string.today);
 722            } else if (UIHelper.yesterday(message.getTimeSent())) {
 723                viewHolder.status_message.setText(R.string.yesterday);
 724            } else {
 725                viewHolder.status_message.setText(DateUtils.formatDateTime(activity, message.getTimeSent(), DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR));
 726            }
 727            viewHolder.message_box.setBackgroundResource(activity.isDarkTheme() ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
 728            return view;
 729        } else if (type == RTP_SESSION) {
 730            final boolean isDarkTheme = activity.isDarkTheme();
 731            final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
 732            final RtpSessionStatus rtpSessionStatus = RtpSessionStatus.of(message.getBody());
 733            final long duration = rtpSessionStatus.duration;
 734            final String callTime = UIHelper.readableTimeDifferenceFull(activity, message.getTimeSent());
 735            if (received) {
 736                if (duration > 0) {
 737                    viewHolder.status_message.setText(activity.getString(R.string.incoming_call_duration_timestamp, TimeFrameUtils.resolve(activity, duration), callTime));
 738                } else if (rtpSessionStatus.successful) {
 739                    viewHolder.status_message.setText(activity.getString(R.string.incoming_call_timestamp, callTime));
 740                } else {
 741                    viewHolder.status_message.setText(activity.getString(R.string.missed_call_timestamp, callTime));
 742                }
 743            } else {
 744                if (duration > 0) {
 745                    viewHolder.status_message.setText(activity.getString(R.string.outgoing_call_duration_timestamp, TimeFrameUtils.resolve(activity, duration), callTime));
 746                } else {
 747                    viewHolder.status_message.setText(activity.getString(R.string.outgoing_call_timestamp, callTime));
 748                }
 749            }
 750            viewHolder.indicatorReceived.setImageResource(RtpSessionStatus.getDrawable(received, rtpSessionStatus.successful, isDarkTheme));
 751            viewHolder.indicatorReceived.setAlpha(isDarkTheme ? 0.7f : 0.57f);
 752            viewHolder.message_box.setBackgroundResource(isDarkTheme ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
 753            return view;
 754        } else if (type == STATUS) {
 755            if ("LOAD_MORE".equals(message.getBody())) {
 756                viewHolder.status_message.setVisibility(View.GONE);
 757                viewHolder.contact_picture.setVisibility(View.GONE);
 758                viewHolder.load_more_messages.setVisibility(View.VISIBLE);
 759                viewHolder.load_more_messages.setOnClickListener(v -> loadMoreMessages((Conversation) message.getConversation()));
 760            } else {
 761                viewHolder.status_message.setVisibility(View.VISIBLE);
 762                viewHolder.load_more_messages.setVisibility(View.GONE);
 763                viewHolder.status_message.setText(message.getBody());
 764                boolean showAvatar;
 765                if (conversation.getMode() == Conversation.MODE_SINGLE) {
 766                    showAvatar = true;
 767                    AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
 768                } else if (message.getCounterpart() != null || message.getTrueCounterpart() != null || (message.getCounterparts() != null && message.getCounterparts().size() > 0)) {
 769                    showAvatar = true;
 770                    AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
 771                } else {
 772                    showAvatar = false;
 773                }
 774                if (showAvatar) {
 775                    viewHolder.contact_picture.setAlpha(0.5f);
 776                    viewHolder.contact_picture.setVisibility(View.VISIBLE);
 777                } else {
 778                    viewHolder.contact_picture.setVisibility(View.GONE);
 779                }
 780            }
 781            return view;
 782        } else {
 783            AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar);
 784        }
 785
 786        resetClickListener(viewHolder.message_box, viewHolder.messageBody);
 787
 788        viewHolder.contact_picture.setOnClickListener(v -> {
 789            if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
 790                MessageAdapter.this.mOnContactPictureClickedListener
 791                        .onContactPictureClicked(message);
 792            }
 793
 794        });
 795        viewHolder.contact_picture.setOnLongClickListener(v -> {
 796            if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
 797                MessageAdapter.this.mOnContactPictureLongClickedListener
 798                        .onContactPictureLongClicked(v, message);
 799                return true;
 800            } else {
 801                return false;
 802            }
 803        });
 804
 805        final Transferable transferable = message.getTransferable();
 806        final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(message);
 807        if (unInitiatedButKnownSize || message.isDeleted() || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING)) {
 808            if (unInitiatedButKnownSize || transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER) {
 809                displayDownloadableMessage(viewHolder, message, activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)), darkBackground, type);
 810            } else if (transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
 811                displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)), darkBackground, type);
 812            } else {
 813                displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first, darkBackground);
 814            }
 815        } else if (message.isFileOrImage() && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
 816            if (message.getFileParams().width > 0 && message.getFileParams().height > 0) {
 817                displayMediaPreviewMessage(viewHolder, message, darkBackground, type);
 818            } else if (message.getFileParams().runtime > 0) {
 819                displayAudioMessage(viewHolder, message, darkBackground, type);
 820            } else {
 821                displayOpenableMessage(viewHolder, message, darkBackground, type);
 822            }
 823        } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 824            if (account.isPgpDecryptionServiceConnected()) {
 825                if (conversation instanceof Conversation && !account.hasPendingPgpIntent((Conversation) conversation)) {
 826                    displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
 827                } else {
 828                    displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
 829                }
 830            } else {
 831                displayInfoMessage(viewHolder, activity.getString(R.string.install_openkeychain), darkBackground);
 832                viewHolder.message_box.setOnClickListener(this::promptOpenKeychainInstall);
 833                viewHolder.messageBody.setOnClickListener(this::promptOpenKeychainInstall);
 834            }
 835        } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
 836            displayInfoMessage(viewHolder, activity.getString(R.string.decryption_failed), darkBackground);
 837        } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) {
 838            displayInfoMessage(viewHolder, activity.getString(R.string.not_encrypted_for_this_device), darkBackground);
 839        } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
 840            displayInfoMessage(viewHolder, activity.getString(R.string.omemo_decryption_failed), darkBackground);
 841        } else {
 842            if (message.isGeoUri()) {
 843                displayLocationMessage(viewHolder, message, darkBackground, type);
 844            } else if (message.treatAsDownloadable()) {
 845                try {
 846                    final URI uri = message.getOob();
 847                    displayDownloadableMessage(viewHolder,
 848                            message,
 849                            activity.getString(R.string.check_x_filesize_on_host,
 850                                    UIHelper.getFileDescriptionString(activity, message),
 851                                    uri.getHost()),
 852                            darkBackground, type);
 853                } catch (Exception e) {
 854                    displayDownloadableMessage(viewHolder,
 855                            message,
 856                            activity.getString(R.string.check_x_filesize,
 857                                    UIHelper.getFileDescriptionString(activity, message)),
 858                            darkBackground, type);
 859                }
 860            } else if (message.bodyIsOnlyEmojis() && message.getType() != Message.TYPE_PRIVATE) {
 861                displayEmojiMessage(viewHolder, message.getBody().trim(), darkBackground);
 862            } else {
 863                displayTextMessage(viewHolder, message, darkBackground, type);
 864            }
 865        }
 866
 867        if (type == RECEIVED) {
 868            if (commands != null && conversation instanceof Conversation) {
 869                CommandButtonAdapter adapter = new CommandButtonAdapter(activity);
 870                adapter.addAll(commands);
 871                viewHolder.commands_list.setAdapter(adapter);
 872                viewHolder.commands_list.setVisibility(View.VISIBLE);
 873                viewHolder.commands_list.setOnItemClickListener((p, v, pos, id) -> {
 874                    ((Conversation) conversation).startCommand(adapter.getItem(pos), activity.xmppConnectionService);
 875                });
 876            }
 877
 878            if (isInValidSession) {
 879                if (!mUseGreenBackground) {
 880                    viewHolder.message_box.getBackground().setColorFilter(
 881                        StyledAttributes.getColor(activity, mUseGreenBackground ? R.attr.message_bubble_received_bg : R.attr.color_background_primary),
 882                        PorterDuff.Mode.SRC_ATOP
 883                    );
 884                }
 885                viewHolder.encryption.setVisibility(View.GONE);
 886            } else {
 887                viewHolder.encryption.setVisibility(View.VISIBLE);
 888                if (omemoEncryption && !message.isTrusted()) {
 889                    viewHolder.encryption.setText(R.string.not_trusted);
 890                } else {
 891                    viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
 892                }
 893            }
 894        }
 895
 896        if (type == RECEIVED || type == SENT) {
 897            if (message.getSubject() == null) {
 898                viewHolder.subject.setVisibility(View.GONE);
 899            } else {
 900                viewHolder.subject.setVisibility(View.VISIBLE);
 901                viewHolder.subject.setText(message.getSubject());
 902            }
 903        }
 904
 905        displayStatus(viewHolder, message, type, darkBackground);
 906
 907        return view;
 908    }
 909
 910    private void promptOpenKeychainInstall(View view) {
 911        activity.showInstallPgpDialog();
 912    }
 913
 914    public FileBackend getFileBackend() {
 915        return activity.xmppConnectionService.getFileBackend();
 916    }
 917
 918    public void stopAudioPlayer() {
 919        audioPlayer.stop();
 920    }
 921
 922    public void unregisterListenerInAudioPlayer() {
 923        audioPlayer.unregisterListener();
 924    }
 925
 926    public void startStopPending() {
 927        audioPlayer.startStopPending();
 928    }
 929
 930    public void openDownloadable(Message message) {
 931        if (ContextCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
 932            ConversationFragment.registerPendingMessage(activity, message);
 933            ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, ConversationsActivity.REQUEST_OPEN_MESSAGE);
 934            return;
 935        }
 936        final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
 937        ViewUtil.view(activity, file);
 938    }
 939
 940    private void showLocation(Message message) {
 941        for (Intent intent : GeoHelper.createGeoIntentsFromMessage(activity, message)) {
 942            if (intent.resolveActivity(getContext().getPackageManager()) != null) {
 943                getContext().startActivity(intent);
 944                return;
 945            }
 946        }
 947        Toast.makeText(activity, R.string.no_application_found_to_display_location, Toast.LENGTH_SHORT).show();
 948    }
 949
 950    public void updatePreferences() {
 951        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
 952        this.mUseGreenBackground = p.getBoolean("use_green_background", activity.getResources().getBoolean(R.bool.use_green_background));
 953    }
 954
 955
 956    public void setHighlightedTerm(List<String> terms) {
 957        this.highlightedTerm = terms == null ? null : StylingHelper.filterHighlightedWords(terms);
 958    }
 959
 960    public interface OnContactPictureClicked {
 961        void onContactPictureClicked(Message message);
 962    }
 963
 964    public interface OnContactPictureLongClicked {
 965        void onContactPictureLongClicked(View v, Message message);
 966    }
 967
 968    private static class ViewHolder {
 969
 970        public Button load_more_messages;
 971        public ImageView edit_indicator;
 972        public RelativeLayout audioPlayer;
 973        protected LinearLayout message_box;
 974        protected Button download_button;
 975        protected ImageView image;
 976        protected ImageView indicator;
 977        protected ImageView indicatorReceived;
 978        protected TextView time;
 979        protected TextView subject;
 980        protected TextView messageBody;
 981        protected ImageView contact_picture;
 982        protected TextView status_message;
 983        protected TextView encryption;
 984        protected ListView commands_list;
 985    }
 986
 987    class ThumbnailTask extends AsyncTask<DownloadableFile, Void, Drawable[]> {
 988        @Override
 989        protected Drawable[] doInBackground(DownloadableFile... params) {
 990            if (isCancelled()) return null;
 991
 992            Drawable[] d = new Drawable[params.length];
 993            for (int i = 0; i < params.length; i++) {
 994                try {
 995                    d[i] = activity.xmppConnectionService.getFileBackend().getThumbnail(params[i], activity.getResources(), (int) (metrics.density * 288), false);
 996                } catch (final IOException e) {
 997                    d[i] = null;
 998                }
 999            }
1000
1001            return d;
1002        }
1003
1004        @Override
1005        protected void onPostExecute(final Drawable[] d) {
1006            if (isCancelled()) return;
1007            activity.xmppConnectionService.updateConversationUi();
1008        }
1009    }
1010}